# Uncategorized

**URL:** https://discourse.itk.org/c/uncategorized/1.md?page=2

[Latest](https://discourse.itk.org/latest.md) · [Categories](https://discourse.itk.org/categories.md) · [Tags](https://discourse.itk.org/tags.md)

**Page:** 3

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## [kernel crash or died](https://discourse.itk.org/t/kernel-crash-or-died/6589)

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**Author:** [@Noorollah\_Khajvand](https://discourse.itk.org/u/Noorollah_Khajvand)\
**Replies:** 1\
**Last updated:** [April 22, 2024, 1:51pm UTC](https://discourse.itk.org/t/kernel-crash-or-died/6589 "2024-04-22T13:51:01Z")

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I installed itk-elastix and after I imported it and read Dicom images, it worked correctly. But, when I’m using itk.ParameterObject.New() or any other function the kernel crashed or died without any errors. Also, it happ…

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## [ITK Error](https://discourse.itk.org/t/itk-error/6521)

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**Author:** [@skb](https://discourse.itk.org/u/skb)\
**Replies:** 3\
**Last updated:** [March 20, 2024, 1:06am UTC](https://discourse.itk.org/t/itk-error/6521 "2024-03-20T01:06:25Z")

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itk::ExceptionObject (00000079F50FBB38) Location: “class itk::SmartPointer\<class itk::RealToHalfHermitianForwardFFTImageFilter\<class itk::Image\<float,3\>,class itk::Image\<class std::complex,3\> \> \> \_\_cdecl itk::RealToHalf…

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## [Can we run itk in wasm without runPipeline?](https://discourse.itk.org/t/can-we-run-itk-in-wasm-without-runpipeline/6437)

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**Author:** [@sedghi](https://discourse.itk.org/u/sedghi)\
**Replies:** 3\
**Last updated:** [March 11, 2024, 12:01pm UTC](https://discourse.itk.org/t/can-we-run-itk-in-wasm-without-runpipeline/6437 "2024-03-11T12:01:42Z")

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My goal is to bring the MorphologicalContourInterpolator to wasm/web Is there a docker image available for itk that we can use to bring itk filters as WASM to the web? The kitware/vtk-wasm docker appears to be quite s…

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## [Why does itk:: CheckerBoardImageFilter flip left and right in the middle position when saving a 3D image](https://discourse.itk.org/t/why-does-itk-checkerboardimagefilter-flip-left-and-right-in-the-middle-position-when-saving-a-3d-image/6506)

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**Author:** [@ma1282029525](https://discourse.itk.org/u/ma1282029525)\
**Replies:** 1\
**Last updated:** [March 11, 2024, 5:51am UTC](https://discourse.itk.org/t/why-does-itk-checkerboardimagefilter-flip-left-and-right-in-the-middle-position-when-saving-a-3d-image/6506 "2024-03-11T05:51:19Z")

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like this

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## [Where can I find the compiled C++ dynamic library?](https://discourse.itk.org/t/where-can-i-find-the-compiled-c-dynamic-library/6475)

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**Author:** [@didididi2001](https://discourse.itk.org/u/didididi2001)\
**Replies:** 0\
**Last updated:** [February 27, 2024, 6:17pm UTC](https://discourse.itk.org/t/where-can-i-find-the-compiled-c-dynamic-library/6475 "2024-02-27T18:17:19Z")

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My own device compiles very slowly. I want to know where I can find dynamic library files compiled by various platforms. I see that there are scripts to compile in this project, and someone has compiled it. Where can I f…

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## [CMake Error when building ITKMontage wheel for aarch64](https://discourse.itk.org/t/cmake-error-when-building-itkmontage-wheel-for-aarch64/6452)

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**Author:** [@John\_Bergelin](https://discourse.itk.org/u/John_Bergelin)\
**Replies:** 3\
**Last updated:** [February 23, 2024, 1:38pm UTC](https://discourse.itk.org/t/cmake-error-when-building-itkmontage-wheel-for-aarch64/6452 "2024-02-23T13:38:35Z")

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Hi, I’m trying to compile and build an ITKMontage python3.9 wheel for aarch64 on a raspberry pi 4 using ITKPythonPackage as described here Prerequisites — ITKPythonPackage documentation I’ve checked out the release bra…

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## [Building module wheel with an older manylinux image](https://discourse.itk.org/t/building-module-wheel-with-an-older-manylinux-image/6439)

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**Author:** [@simon.rit](https://discourse.itk.org/u/simon.rit)\
**Replies:** 2\
**Last updated:** [February 16, 2024, 8:06am UTC](https://discourse.itk.org/t/building-module-wheel-with-an-older-manylinux-image/6439 "2024-02-16T08:06:54Z")

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With this commit, ITKPythonPackage has upgraded the dockcross image tag, thus upgrading (among other things) GCC to version 12. Because Cuda 11 is not compatible with this gcc, I had to downgrade the image tag to have it…

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## [sitk.ConnectedComponent is order deterministic?](https://discourse.itk.org/t/sitk-connectedcomponent-is-order-deterministic/6443)

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**Author:** [@Jakub\_Mitura](https://discourse.itk.org/u/Jakub_Mitura)\
**Replies:** 3\
**Last updated:** [February 15, 2024, 2:14pm UTC](https://discourse.itk.org/t/sitk-connectedcomponent-is-order-deterministic/6443 "2024-02-15T14:14:46Z")

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Hello I try to understand is the order (int value) of connected components is always the same if we are executing algorithm on the same array? for reference description of connected components in simple Itk ConnectedCo…

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## [Metal Artifact](https://discourse.itk.org/t/metal-artifact/6436)

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**Author:** [@pratibha](https://discourse.itk.org/u/pratibha)\
**Replies:** 0\
**Last updated:** [February 12, 2024, 2:37am UTC](https://discourse.itk.org/t/metal-artifact/6436 "2024-02-12T02:37:39Z")

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Hello, I just need to detect metal artifacts not reconstruct. Could you recommend any papers or resources where I could get an idea of this? In addition to metal artifacts, I have other artifacts on my data, such as alia…

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## [RTK reconstruction](https://discourse.itk.org/t/rtk-reconstruction/6424)

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**Author:** [@skb](https://discourse.itk.org/u/skb)\
**Replies:** 4\
**Last updated:** [February 5, 2024, 7:35am UTC](https://discourse.itk.org/t/rtk-reconstruction/6424 "2024-02-05T07:35:25Z")

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i build ITK5.2.1&RTK2.3 in C++,RTK’s demo FirstReconstruction can run normally，but when i modified it for my project ,it failed,The detailed error message is the range of reconstructed data is \[0.0,0.0\],and display it i…

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## [Key point registration!!Need help urgently!](https://discourse.itk.org/t/key-point-registration-need-help-urgently/6405)

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**Author:** [@ljjiayou](https://discourse.itk.org/u/ljjiayou)\
**Replies:** 2\
**Last updated:** [January 25, 2024, 12:05am UTC](https://discourse.itk.org/t/key-point-registration-need-help-urgently/6405 "2024-01-25T00:05:47Z")

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Need help urgently!! I have a pair of images, a CT image with a voxel size of 0.1250.1250.125 and an MRI image with a voxel size of 0.50.53. Given the coordinates of the four pairs of key points, how can I use these four…

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## [Is it possible to propagate some information to upstream pipeline?](https://discourse.itk.org/t/is-it-possible-to-propagate-some-information-to-upstream-pipeline/6381)

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**Author:** [@remicres](https://discourse.itk.org/u/remicres)\
**Replies:** 5\
**Last updated:** [January 22, 2024, 9:12pm UTC](https://discourse.itk.org/t/is-it-possible-to-propagate-some-information-to-upstream-pipeline/6381 "2024-01-22T21:12:34Z")

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Hello, Is it possible to propagate some kind of dynamic (“current-requested-region-related”) information, from a mapper to the source through the filters of a pipeline? My use case is the following one reader, a pipe…

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## [itkMathematicalMorphologyEnums.h compile error with GCC 13 on Linux](https://discourse.itk.org/t/itkmathematicalmorphologyenums-h-compile-error-with-gcc-13-on-linux/6377)

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**Author:** [@imikejackson](https://discourse.itk.org/u/imikejackson)\
**Replies:** 5\
**Last updated:** [January 9, 2024, 2:25pm UTC](https://discourse.itk.org/t/itkmathematicalmorphologyenums-h-compile-error-with-gcc-13-on-linux/6377 "2024-01-09T14:25:49Z")

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Has anyone else run across this compile error with ITK (5.2.1, 5.3)? In file included from $SRC\_DIR/itk/Modules/Filtering/MathematicalMorphology/src/itkMathematicalMorphologyEnums.cxx:19: $SRC\_DIR/itk/Modules/Filtering…

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## [Anaconda LibITK 5.3.0 MacOS ARM64 packaging failures](https://discourse.itk.org/t/anaconda-libitk-5-3-0-macos-arm64-packaging-failures/6357)

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**Author:** [@imikejackson](https://discourse.itk.org/u/imikejackson)\
**Replies:** 8\
**Last updated:** [December 19, 2023, 5:48pm UTC](https://discourse.itk.org/t/anaconda-libitk-5-3-0-macos-arm64-packaging-failures/6357 "2023-12-19T17:48:47Z")

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We are trying to package our own library (GitHub - BlueQuartzSoftware/complex: The backend algorithms and framework associated with DREAM3DNX, a data analysis program for materials science data analytics) into an anacon…

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## [Reading dicom series with SimpleITK and filesort](https://discourse.itk.org/t/reading-dicom-series-with-simpleitk-and-filesort/1577)

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**Author:** [@jonasteuwen](https://discourse.itk.org/u/jonasteuwen)\
**Replies:** 8\
**Last updated:** [December 1, 2023, 2:27pm UTC](https://discourse.itk.org/t/reading-dicom-series-with-simpleitk-and-filesort/1577 "2023-12-01T14:27:20Z")

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I am trying to read DICOM series using SimpleITK. The current situation is that I have a folders with a lot of dicom series in there, and I only need a few. Luckily I know the prefix of the filenames so I can select the …

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## [Is there a bug in InPlaceImageFilter?](https://discourse.itk.org/t/is-there-a-bug-in-inplaceimagefilter/6318)

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**Author:** [@mihail.isakov](https://discourse.itk.org/u/mihail.isakov)\
**Replies:** 1\
**Last updated:** [November 27, 2023, 1:02pm UTC](https://discourse.itk.org/t/is-there-a-bug-in-inplaceimagefilter/6318 "2023-11-27T13:02:55Z")

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I see this in SimpleITK’s Todo List The link points to ITK’s InPlaceImageFilter. Is there an issue or more information about the bug? Thanks!

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## [N4BiasFieldCorrectionImageFilter: GetLogBiasFieldAsImage, wrap BSplineControlPointImageFilter, alternatives](https://discourse.itk.org/t/n4biasfieldcorrectionimagefilter-getlogbiasfieldasimage-wrap-bsplinecontrolpointimagefilter-alternatives/5142)

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**Author:** [@dyoll](https://discourse.itk.org/u/dyoll)\
**Replies:** 4\
**Last updated:** [November 20, 2023, 9:18pm UTC](https://discourse.itk.org/t/n4biasfieldcorrectionimagefilter-getlogbiasfieldasimage-wrap-bsplinecontrolpointimagefilter-alternatives/5142 "2023-11-20T21:18:15Z")

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With SimpleITK I can do: def bias\_correct( input: sitk.Image, mask: sitk.Image = None, shrink\_factor: int = 4, num\_fitting\_levels: int = 4, num\_iterations: int = 50, ) -\> sitk.Image: """Perform N…

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## [Direction of images not matching](https://discourse.itk.org/t/direction-of-images-not-matching/6232)

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**Author:** [@sdesutter](https://discourse.itk.org/u/sdesutter)\
**Replies:** 1\
**Last updated:** [September 26, 2023, 5:36pm UTC](https://discourse.itk.org/t/direction-of-images-not-matching/6232 "2023-09-26T17:36:52Z")

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Hi, I’ve been using a dataset of registered brain MRI’s (T1, T2, FLAIR and T1ce) as input for a CNN implemented in MONAI. The different modalities have been registered using BRAINSFIT. After registration, segmentations …

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## [How to turn off ImageSeriesReader Warnings? (SimpleITK JAVA)](https://discourse.itk.org/t/how-to-turn-off-imageseriesreader-warnings-simpleitk-java/6217)

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**Author:** [@Salu\_Ramos](https://discourse.itk.org/u/Salu_Ramos)\
**Replies:** 4\
**Last updated:** [September 21, 2023, 5:36pm UTC](https://discourse.itk.org/t/how-to-turn-off-imageseriesreader-warnings-simpleitk-java/6217 "2023-09-21T17:36:46Z")

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the ImageSeriesReader are printing Warnings in my console when opening certain series. i’m using debugOff() method but is not working for this warnings.

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## [Are there some methods to smooth a displacement vector field?](https://discourse.itk.org/t/are-there-some-methods-to-smooth-a-displacement-vector-field/6149)

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**Author:** [@guo7212](https://discourse.itk.org/u/guo7212)\
**Replies:** 4\
**Last updated:** [September 14, 2023, 6:42am UTC](https://discourse.itk.org/t/are-there-some-methods-to-smooth-a-displacement-vector-field/6149 "2023-09-14T06:42:16Z")

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Hi, I got a displacement vector filed after the non-rigid registration. I want to smooth the displacement vector field. Are there some methods in ITK?

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## [I tried to configure itk on Linux and found an error, what is the reason](https://discourse.itk.org/t/i-tried-to-configure-itk-on-linux-and-found-an-error-what-is-the-reason/6176)

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**Author:** [@ljjiayou](https://discourse.itk.org/u/ljjiayou)\
**Replies:** 0\
**Last updated:** [September 3, 2023, 1:13pm UTC](https://discourse.itk.org/t/i-tried-to-configure-itk-on-linux-and-found-an-error-what-is-the-reason/6176 "2023-09-03T13:13:29Z")

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This is my step: mkdir ITK-Sandbox cd ITK-sandbox git clone GitHub - InsightSoftwareConsortium/ITK: Insight Toolkit (ITK) -- Official Repository. ITK builds on a proven, spatially-oriented architecture for processing,…

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## [Issue with mesh points interpolation from nifti DVF image volume](https://discourse.itk.org/t/issue-with-mesh-points-interpolation-from-nifti-dvf-image-volume/6171)

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**Author:** [@isuruwi](https://discourse.itk.org/u/isuruwi)\
**Replies:** 4\
**Last updated:** [September 1, 2023, 11:31am UTC](https://discourse.itk.org/t/issue-with-mesh-points-interpolation-from-nifti-dvf-image-volume/6171 "2023-09-01T11:31:31Z")

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Hi, I have generated deformed 3D-CT versions and corresponding deformation vector field (DVF) volumes of a given nifti image volume (reference image 3D-CT volume) using another tool. I then extracted the liver mesh from…

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## [BSplineTransform with displacement approaching zero at image boundary](https://discourse.itk.org/t/bsplinetransform-with-displacement-approaching-zero-at-image-boundary/6154)

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**Author:** [@dyoll](https://discourse.itk.org/u/dyoll)\
**Replies:** 8\
**Last updated:** [August 24, 2023, 2:19am UTC](https://discourse.itk.org/t/bsplinetransform-with-displacement-approaching-zero-at-image-boundary/6154 "2023-08-24T02:19:36Z")

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According to the documentation and some experiments, the BSplineTransform deformation is zero outside the support region of the coefficient images (but non-zero at the boundary, i.e. there is a discontinuity). I would l…

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## [ITK python version](https://discourse.itk.org/t/itk-python-version/6147)

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**Author:** [@guo7212](https://discourse.itk.org/u/guo7212)\
**Replies:** 2\
**Last updated:** [August 15, 2023, 2:12pm UTC](https://discourse.itk.org/t/itk-python-version/6147 "2023-08-15T14:12:43Z")

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Hi, everyone. In ITK python version, there is a enum ChoiceMethod\_KEEP in class itkMergeLabelMapFilterEnums in the file itkMergeLabelMapFilterPython.py. In my code mergeLabelMapFilter = itk.MergeLabelMapFilter.New(lab…

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## [how to convert a dicom series into nifity image in memory with simpleitk?](https://discourse.itk.org/t/how-to-convert-a-dicom-series-into-nifity-image-in-memory-with-simpleitk/6146)

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**Author:** [@Li\_Bin](https://discourse.itk.org/u/Li_Bin)\
**Replies:** 1\
**Last updated:** [August 15, 2023, 12:50pm UTC](https://discourse.itk.org/t/how-to-convert-a-dicom-series-into-nifity-image-in-memory-with-simpleitk/6146 "2023-08-15T12:50:29Z")

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Hi, there, I need to read a dicom series by network into bytes array and convert to a nifity image in memory . I see the samples which convert to nifty by save into disk by specifing the file extension .nii or .nii.gz.…

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## [Inverse the displacement field](https://discourse.itk.org/t/inverse-the-displacement-field/6136)

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**Author:** [@guo7212](https://discourse.itk.org/u/guo7212)\
**Replies:** 3\
**Last updated:** [August 15, 2023, 3:24am UTC](https://discourse.itk.org/t/inverse-the-displacement-field/6136 "2023-08-15T03:24:02Z")

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In my project, I need to invert the displacement field, which is from fixed space to moving space. The inverted displacement field should be from moving space to fixed space. I tried the methods in ITK, such as itkInvert…

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## [Is there a detailed derivation process for 3D circular geometric projection?](https://discourse.itk.org/t/is-there-a-detailed-derivation-process-for-3d-circular-geometric-projection/6121)

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**Author:** [@ma1282029525](https://discourse.itk.org/u/ma1282029525)\
**Replies:** 1\
**Last updated:** [August 1, 2023, 8:01pm UTC](https://discourse.itk.org/t/is-there-a-detailed-derivation-process-for-3d-circular-geometric-projection/6121 "2023-08-01T20:01:28Z")

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I didn’t quite understand this part

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## [VTK/Qt integration and Qt6(Core|Gui)Tools folders](https://discourse.itk.org/t/vtk-qt-integration-and-qt6-core-gui-tools-folders/6097)

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**Author:** [@codeling](https://discourse.itk.org/u/codeling)\
**Replies:** 1\
**Last updated:** [July 31, 2023, 3:49pm UTC](https://discourse.itk.org/t/vtk-qt-integration-and-qt6-core-gui-tools-folders/6097 "2023-07-31T15:49:07Z")

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We have project using ITK, VTK and Qt; VTK is configured to use Qt (VTK\_MODULE\_ENABLE\_VTK\_GUISupportQt = YES, VTK\_MODULE\_ENABLE\_VTK\_RenderingQt = YES, VTK\_MODULE\_ENABLE\_VTK\_ViewsQt = YES), and ITK is configured to depend…

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## [SImpleITK incremental loading JAVA](https://discourse.itk.org/t/simpleitk-incremental-loading-java/6089)

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**Author:** [@Salu\_Ramos](https://discourse.itk.org/u/Salu_Ramos)\
**Replies:** 27\
**Last updated:** [July 31, 2023, 3:15pm UTC](https://discourse.itk.org/t/simpleitk-incremental-loading-java/6089 "2023-07-31T15:15:51Z")

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I want to implement incremental reading/loading of dicom series with simpleitk in java. The weasis viewer, radiant viewer and slicer viewer, when selecting the folder loads instantly and shows the first slice of the ser…

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## [align diffrent modalities based on metadata](https://discourse.itk.org/t/align-diffrent-modalities-based-on-metadata/6100)

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**Author:** [@Jakub\_Mitura](https://discourse.itk.org/u/Jakub_Mitura)\
**Replies:** 6\
**Last updated:** [July 27, 2023, 6:39pm UTC](https://discourse.itk.org/t/align-diffrent-modalities-based-on-metadata/6100 "2023-07-27T18:39:47Z")

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Hello I have multiple studies of the same patient they have different spacing and size (range). When I display them in a slicer they are coregistered - patient did not moved between studies Hovewer I do not know how to…

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